332 Каталог KORLOY 2016 Металлорежущий инструмент и станочная оснастка ENG Стр.D7

Каталог KORLOY 2016 Инструмент и оснастка Стр. D7 0332 ENG Lab2u

Technical Information for Threading D Step by step Thread Turning Choose the Thread Turning Method W F Therefore an external right hand insert and an external right hand holder will be used Choose the Insert Size Chosen insert ER16 - 2.5 ISO Insert Size Pitch Ordering Code Shim Tool holder d mm RH (RH) RH (RH) 9.525 2.5 ER16-2.5ISO ATE16 ERHHO-16 Choose the Tool holder T w IS 5 Chosen tool holder ERH 25 - 16 Insert Size Ordering code Dimensions (mm) d RH (RH) H=h C/5 5 I 9.525 ERH25-16 25 25 25 153.6 30 4 Determine the Helix Angle 5 Choose the Correct Shim Shim Chosen ATE16 Pitch P Sc ec ii V X'l 50 100 150 200 Pitch diameter mm From the table, using a pitch of 2.5 mm(10 tpi) and a workpiece diameterof 40mm (1.57D), wefind the helix angleto be 1.5° fi =1 2.25" 2.5 3 3.5 4 4.5 5 1 4 8 24 9=0° Resultant Helix Angle 1.5° Insert Size d 9.525 L 16 Odering Code ATE16 Choose the Carbide Grade and Cutting Speed Carbide grade chosen PC3030T / Cutting speed 140m/min Material HB vc(m/min) PC3030T p Low alloy steel (alloying elements 5%) Non hardened 180 3 5 8 Hardened 275 0 4 5 7 Hardened 350 70 135 Determine the Number of Passes Carbide grade chosen PC3030T Cutting speed 140m/min Pitch mm 1.50 1.75 2.00 2.50 3.00 3.50 4.00 tpi 16 14 12 10 8 7 6 No.of passes 6 10 7 12 7 12 8 14 9 16 10 18 11 18 Summary Thread type ISO M40 x 2.5 External Right Hand 1. Feed Direction Towards the chuck 2. Insert and Grade ER16-2.5 ISO, PC3030T 3. Tool holder ERH25-16 4. Helix Angle 1.5° 5. Shim ATE16 6. Cutting Speed 140 m/min Threading 7